class Solution:
    #参数number: 一个三位整数
    #返回值: 反转后的数字
    def reverseInteger(self, number):
        h = int(number/100)
        t = int(number%100/10)
        z = int(number%10)
        return (100*z+10*t+h)

#主函数
if __name__ == '__main__':
    solution = Solution()
    num = 123
    ans = solution.reverseInteger(num)
    print("输入：", num)
    print("输出：", ans)